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34 Cards in this Set
- Front
- Back
which parts of the duodenum are retroperitoneal? intraperitoneal?
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retro - descending, horizontal, ascending
Intra - superior and duodenaljejunal flexure |
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what is the first part of the superior duodenum called?
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the ampulla
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where are the duodenal papilla located?
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in the descending duodenum
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What do the duodenal papilla correspond to?
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entry site for the hepatopancreatic ampulla and the accessory duct
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what is the arch where the duodenum and jejunum meet?
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duodenojejunal flexure
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what is the hole in the peritoneum where the duodenum comes through called?
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the duodenal fossa
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what are the superior bending points in the colon called?
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L and R colic flexures
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what holds the duodenum in place?
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the suspensory muscle of the duodenum
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how long is the SI?
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6 to 7 meters
18 to 21 feet |
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what happen to the circular folds as you descend in the SI?
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they just "go away"
"there it is.... and its gone" |
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what is the difference in the arcades of the jejunum and the ileum?
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jejunum - single or double
ileum - multiple |
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what is the difference in wall diameter and thickness in the jejunum and the ileum?
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jejunum has thicker and larger walls than the ileum
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what is the differenc between the vasa recta in the jejunum and the ileum?
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jejunum - Long vasa recta
ileum - short vasa recta |
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what is the difference in mesenteric fat between the jejunum and the ileum?
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the ileum has more fat than does the jejunum
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what is an ileal (meckels) diverticulum?
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2 x 2 x 2
remnant of the viteline duct |
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what is attached to the cecum?
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the appendix
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what landmarks do you find on the inside of the cecum?
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ileal papilla
orifice of the appendix ileocecal lips |
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what is Mcburneys point and where do you find it?
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it reffers to the location of the cecum and appendix.
It is located 1/3 of the way superiorly on the line that spans from the ASIS to the umbilicus |
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what are the landmarks of the colon?
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haustra
omental appendices semilunar folds tinea coli |
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what part of the colon is intraperitoneal?
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the transverse portion and the sigmoid
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where is the rectosigmoid jxn?
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at a level of S3
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where would you find referred pain from the foregut, midgut, and hindgut?
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foregut - epigastric
midgut- umbilical hindgut- hypogastric |
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what aortic branches supply the foregut, midgut and hindgut?
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Celiac trunk
SMA IMA |
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what vertebral level is the SMA located at?
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L1
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describe the path of the superior portion of the SMA in relation to the organs surrounding it
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posterior to the neck of the pancreas
anterior to the uncinate process of the pancreas anterior to the left renal v. anterior to the horizontal portion of the duodenum |
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trace the arterial path around the pancreas from the SMA to the celiac trunk
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SMA
inferior pancreaticoduodenal a. superior pancreaticoduodenal a gastroduodenal a common hepatic a. celiac trunk |
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how many jejunal and ileal branches come of of the SMA?
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15 to 20
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what are the 3 named branches the come off of the right side of the SMA?
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inferior pancreaticoduadenal a
right colic a ileocolic a |
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what branch comes off of the anterior portion of the SMA?
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middle colic a.
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what does the middle colic a. give rise to?
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the marginal a.
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at what point does the IMA branch from the aorta?
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L3
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what are the named branches of the IMA?
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left colic a.
sigmoidal aa. superior rectal termination of the IMA |
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what are the lymphatic of the midgut?
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superior mesenteric nodes
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what are the lymphatics of the hindgut?
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inferior mesenteric nodes
lumbar nodes |